690480458 has 16 divisors (see below), whose sum is σ = 1072103424. Its totient is φ = 333259920.

The previous prime is 690480457. The next prime is 690480491. The reversal of 690480458 is 854084096.

It is a happy number.

690480458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (690480457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27338 + ... + 46133.

It is an arithmetic number, because the mean of its divisors is an integer number (67006464).

Almost surely, 2^690480458 is an apocalyptic number.

690480458 is a deficient number, since it is larger than the sum of its proper divisors (381622966).

690480458 is a wasteful number, since it uses less digits than its factorization.

690480458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73637.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 690480458 is about 26276.9948433987. The cubic root of 690480458 is about 883.8606458124.

The spelling of 690480458 in words is "six hundred ninety million, four hundred eighty thousand, four hundred fifty-eight".